Guillermo Schible has significant experience in appeals, having argued appeals and leave to appeal motions in various courts, acting for appellants/moving parties and for respondents. Guillermo has argued in the Supreme Court of Canada in Rasouli v. Sunnybrook Health Sciences Centre, a case considering the place of patient or substitute decision-maker consent in the termination of life-sustaining treatment context. Guillermo also argued that case before the Court of Appeal for Ontario, 2011 ONCA 482 (CanLII). Guillermo was counsel in Combined Air Mechanical Services Inc. v. Flesch, 2011 ONCA 764 (CanLII) wherein the Court of Appeal for Ontario considered the new summary judgment rule and established a new approach to the summary disposition of cases. Guillermo was counsel in Inforica Inc. v. CGI Information Systems and Management Consultants Inc., 2009 ONCA 642, an important case wherein the Court of Appeal for Ontario considered the jurisdiction of an arbitrator to order security for costs (in a multi-million dollar commercial arbitration) and whether an application to set aside such an order lies to the Superior Court.

Experience includes arguing at the Court of Appeal for Ontario and the Supreme Court of Canada.